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Infiltration of Meteoric and Sea Water into Deep Fault Zones during Episodes of Coseismic Events : A Case Study of the Nojima Fault, Japan
https://doi.org/10.15083/0000032608
https://doi.org/10.15083/00000326083409d7e5-5c8a-44b3-8caf-001d2735b0c0
| 名前 / ファイル | ライセンス | アクション |
|---|---|---|
ji0763007.pdf (2.0 MB)
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| Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
|---|---|---|---|---|---|---|
| 公開日 | 2008-05-30 | |||||
| タイトル | ||||||
| タイトル | Infiltration of Meteoric and Sea Water into Deep Fault Zones during Episodes of Coseismic Events : A Case Study of the Nojima Fault, Japan | |||||
| 言語 | en | |||||
| 言語 | ||||||
| 言語 | eng | |||||
| キーワード | ||||||
| 主題Scheme | Other | |||||
| 主題 | fluid infiltration | |||||
| キーワード | ||||||
| 主題Scheme | Other | |||||
| 主題 | meteoric and sea water | |||||
| キーワード | ||||||
| 主題Scheme | Other | |||||
| 主題 | active fault zone | |||||
| キーワード | ||||||
| 主題Scheme | Other | |||||
| 主題 | seismic fault suction pumping model | |||||
| 資源タイプ | ||||||
| 資源 | http://purl.org/coar/resource_type/c_6501 | |||||
| タイプ | departmental bulletin paper | |||||
| ID登録 | ||||||
| ID登録 | 10.15083/0000032608 | |||||
| ID登録タイプ | JaLC | |||||
| その他のタイトル | ||||||
| その他のタイトル | 深部断層帯に地震イベントに伴う地表水の流入 : 野島断層を例に | |||||
| 著者 |
Lin, Aiming
× Lin, Aiming× Tanaka, Natsumi× Uda, Shin-ichi× Satish-kumar, Madhusoodhan |
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| 著者別名 | ||||||
| 識別子Scheme | WEKO | |||||
| 識別子 | 126175 | |||||
| 姓名 | 林, 愛明 | |||||
| 著者別名 | ||||||
| 識別子Scheme | WEKO | |||||
| 識別子 | 126176 | |||||
| 姓名 | 田中, 菜摘 | |||||
| 著者別名 | ||||||
| 識別子Scheme | WEKO | |||||
| 識別子 | 126177 | |||||
| 姓名 | 宇田, 進一 | |||||
| 著者所属 | ||||||
| 著者所属 | Faculty of Science, Shizuoka University | |||||
| 著者所属 | ||||||
| 著者所属 | Graduate School of Science and Technology, Kobe University | |||||
| 著者所属 | ||||||
| 著者所属 | Earthquake Research Center, Association for the Development of Earthquake Prediction | |||||
| 抄録 | ||||||
| 内容記述タイプ | Abstract | |||||
| 内容記述 | Fluid infiltration into active faults and shear zones is usually studied in the middle to upper crustal environment. Circulating fluids deposit clay and carbonate material into cracks within the fault zone. Such crack-fill clay, calcite veins, and oxidized/weathered open cracks are well observed in the drill cores, from near-surface to a depth of 1,800 m, in the Nojima fault zone, Japan, which triggered the 1995 M7.2 Kobe earthquake. Powder X-ray diffraction analysis indicates that the crack-fill clay veins are mainly composed of siderite, calcite, laumontate, and fine-grained clasts of granitic rock. Isotopic analyses of carbonate material within the clay and calcite veins reveal variable δ18O (SMOW) values ranging from 20.1‰ to 27.7‰, and δ13C (PDB) values of -4.3‰ to -18.5‰, which are comparable to those of typical meteoric and sea water. 14C dates of 10 clay and calcite vein samples range from 35.0 kyr B.P. to 58.4 kyr B.P. Geological, petrological, stable isotopic, and 14C data suggest that these crack-fill clay and calcite veins and brown-colored open cracks developed due to the repeated infiltration of O2- and CO2-bearing meteoric and sea water downward into the deep Nojima fault zone during the last 35- 60 kyr. We propose a seismic fault suction pumping model to interpret the infiltration of subsurface waters being carried down into the deep fault zone by a rapid potential change during episodes of seismic faulting. | |||||
| 書誌情報 |
東京大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, University of Tokyo 巻 76, 号 3, p. 341-353, 発行日 2002-02-12 |
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| ISSN | ||||||
| 収録物識別子タイプ | ISSN | |||||
| 収録物識別子 | 00408972 | |||||
| 書誌レコードID | ||||||
| 収録物識別子タイプ | NCID | |||||
| 収録物識別子 | AN00162258 | |||||
| フォーマット | ||||||
| 内容記述タイプ | Other | |||||
| 内容記述 | application/pdf | |||||
| 日本十進分類法 | ||||||
| 主題Scheme | NDC | |||||
| 主題 | 458 | |||||
| 出版者 | ||||||
| 出版者 | 東京大学地震研究所 | |||||
| 出版者別名 | ||||||
| Earthquake Research Institute, University of Tokyo | ||||||
